the comment before the doc type tag:
<!-- InstanceBegin template="/Templates/siteassistpro_template.dwt.cfm" codeOutsideHTMLIsLocked="false" -->
causes IE to use quirks moe.
for ie to function properly, the very first tag must be the doctype tag,
<!-- InstanceBegin template="/Templates/siteassistpro_template.dwt.cfm" codeOutsideHTMLIsLocked="false" --><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
should be changed to:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"><!-- InstanceBegin template="/Templates/siteassistpro_template.dwt.cfm" codeOutsideHTMLIsLocked="false" -->
you probably need to change this in the template as well.